Performs maintenance and repair of internal combustion engines, and the following equipment and components: Derricks, Transmissions, Brake Systems, Electrical Systems, Ignition and fuel systems, Hydraulic systems, Steering and running gear, Tires, Batteries, Starters, generators, and alternators, Carburetors, Chassis- both lubrication and repair, Electronic engine emission controls, Repairs and maintains other related components as required. Summary: Performs repair and preventative maintenance of diesel and gasoline engines, brake systems, fuel systems, ignition and electrical systems, exhaust systems, suspension systems, hydraulic systems and vehicle and body computers.